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hi,luck,you look tired.l"m really tired,because l( )the liveing room all day.a.paintedb.had painted c.have been painted d.have been painting

题目详情
hi,luck,you look tired.l'm really tired,because l( )the liveing room all day.a.painted
b.had painted c.have been painted d.have been painting
▼优质解答
答案和解析
D 这是现在完成进行时的表达,表示动作一直在进行.
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